Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985499 | Battery having electrode lead element with fixing member | Sang-Eun Cheon, Hye-Won Yoon, Jae Kyung Kim | 2011-07-26 |
| 7935436 | Rechargeable battery with gas release safety vent | Sang-Eun Cheon, Jae Kyung Kim, Hye-Won Yoon | 2011-05-03 |
| 7887951 | Rechargeable battery | Ji-Hyoung Yoon, Tatsuya Hashimoto, Yong-Sam Kim, Chi-Young Lee | 2011-02-15 |